Results 11 to 20 of about 1,030,202 (307)

Virtual Integration Platforms (VIP) –A Concept for Integrated and Interdisciplinary Air Transportation Research and Assessment [PDF]

open access: yes, 2011
The paper descibes a new methodology for a holistic development of air transportation concepts. The Virtual Integration Plattform (VIP) concept is based on an IT tool chain as well as human collaborative methods to deal with complex systems.
Gollnick, Volker   +3 more
core   +1 more source

Effect of Electric Ducted Fans Structural Arrangement on Their Performance Characteristics

open access: yesApplied Sciences, 2023
With the expanding electrification in all sectors of transport, it is necessary to look for new efficient solutions for propulsion systems for use in air transport.
Daniel Urban   +5 more
doaj   +1 more source

Application of strategic planning methods in assessing the transport sector as a national economic system component [PDF]

open access: yesMATEC Web of Conferences
The relevance of the study is determined by the rapidity of changes in phenomena and processes in the country s transport system and the need to determine the most optimal methods for its assessment.
Vasylenko Igor   +5 more
doaj   +1 more source

Electrical Launch Catapult and Landing Decelerator for Fixed-Wing Airborne Wind Energy Systems

open access: yesEnergies, 2022
This paper presents a (pre)feasibility study of the rail-based ultra-short launch and landing system ElektRail for fixed-wing airborne wind energy systems, such as Ampyx Power.
Johannes Alexander Müller   +2 more
doaj   +1 more source

Evaluating U-Space for UAM in Dense Controlled Airspace

open access: yesDrones, 2023
The operation of unmanned aircraft systems in shared airspace can serve as an accelerator for the global economy and a sensitive addition to the existing mix of transportation modes.
Michal Černý   +4 more
doaj   +1 more source

Providing energy efficiency and ecological compatibility in organising special cargo delivery [PDF]

open access: yesE3S Web of Conferences
The relevance of ensuring energy efficiency and environmental compatibility in all sectors of the economy is growing every year. Transport is one of the key factors in the successful development of the global economy, which ensures, among other things ...
Lytvynenko Sergiy   +5 more
doaj   +1 more source

Ice accretion thickness prediction using flash infrared thermal imaging and BP neural networks

open access: yesIET Image Processing, 2023
The present study investigated ice accretion thickness under non‐incoming flow icing conditions on the ground using an infrared thermography system that converts infrared radiation temperature.
Lu Hao   +4 more
doaj   +1 more source

Identifying vital edges in Chinese air route network via memetic algorithm [PDF]

open access: yes, 2016
Due to its rapid development in the past decade, air transportation system has attracted considerable research attention from diverse communities.
Cao, Xian-Bin   +4 more
core   +4 more sources

Switched Fractional Order Multiagent Systems Containment Control with Event-Triggered Mechanism and Input Quantization

open access: yesFractal and Fractional, 2022
This paper studies the containment control problem for a class of fractional order nonlinear multiagent systems in the presence of arbitrary switchings, unmeasured states, and quantized input signals by a hysteresis quantizer.
Jiaxin Yuan, Tao Chen
doaj   +1 more source

A Real-Time Flight Safety Alarm System for Multiple UAVs [PDF]

open access: yesMATEC Web of Conferences, 2019
Airborne heterogeneous UAVs can encounter flight control or sensor failures while performing flight tasks. To protect against this, safety alarm systems (SAS) are typically implemented in ground control systems (GCS) to prevent crashes or other failures.
San Khin Thida, Chang Yoon Seok
doaj   +1 more source

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